US3935167A
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Acetylenic polymers, trimers thereof and the production thereof
Assignee: University Patents Inc
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Filing: 1974-06-06
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Granted: 1976-01-27
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Expires: 1994-06-06
Abstract
Abstract A polymer having one of the general formulae ##EQU1## and ##EQU2## wherein Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 , Ar 8 , Ar 9 and Ar 10 are the same or different bivalent aromatic hydrocarbon radicals containing six to ten carbon atoms, Ar 7 is a trivalent aromatic hydrocarbon radical containing 6 to 10 carbon atoms, and n is 30 to 120.
Inventors
- 👤 Carl S. Marvel
- 👤 Celeste Samyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:07
CPC Classifications
C; C08; C08L; C08L65/00; C07; C07C; C07C317/00; C07C317/16; C07C317/22; C07C45/00; C07C45/004; C07C49/00; C07C49/76; C07C49/84; C08G; C08G61/00; C08G61/02; C08G61/10; C08G61/12; C08G61/127
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
73 words
A polymer having one of the general formulae ##EQU5## and ##EQU6## wherein Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 , Ar 8 , Ar 9 and Ar 10 are the same or different bivalent aromatic hydrocarbon radicals containing 6 to 10 carbon atoms, Ar 7 is a trivalent aromatic hydrocarbon radical containing 6 to 10 carbon atoms, and n is 30 to 120.
Claim 2
Dependent Claim
73 words
A polymer having one of the general formulae ##EQU5## and ##EQU6## wherein Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 , Ar 8 , Ar 9 and Ar 10 are the same or different bivalent aromatic hydrocarbon radicals containing 6 to 10 carbon atoms, Ar 7 is a trivalent aromatic hydrocarbon radical containing 6 to 10 carbon atoms, and n is 30 to 120.
Claim 3
Dependent Claim
40 words
A polymer of claim 1 wherein Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 , Ar 7 , Ar 8 , Ar 9 and Ar 10 each contain 6 carbon atoms.
Claim 4
Dependent Claim
26 words
A polymer produced by Friedel-Crafts polymerization of diphenoxyacetophenone and diphenoxydiphenyl sulfone with an acid chloride selected from the group consisting of isophthaloyl chloride and terephthaloyl chloride.
Claim 5
Dependent Claim
26 words
A polymer produced by Friedel-Crafts polymerization of diphenoxyacetophenone and diphenoxydiphenyl sulfone with an acid chloride selected from the group consisting of isophthaloyl chloride and terephthaloyl chloride.
Claim 6
Dependent Claim
21 words
A polymer as defined by claim 3 wherein the acetyl radical of the diphenoxyacetophenone moiety is converted to an ethynyl radical.
Claim 7
Dependent Claim
25 words
A polymer produced by Friedel-Crafts polymerization of diphenoxyacetophenone and bis(phenoxybenzenesulfonyl)benzene with an acid chloride selected from the group consisting of isophthaloyl chloride and terephthaloyl chloride.
Claim 8
Dependent Claim
25 words
A polymer produced by Friedel-Crafts polymerization of diphenoxyacetophenone and bis(phenoxybenzenesulfonyl)benzene with an acid chloride selected from the group consisting of isophthaloyl chloride and terephthaloyl chloride.
Claim 9
Dependent Claim
21 words
A polymer as defined by claim 5 wherein the acetyl radical of the diphenoxyacetophenone moiety is converted to an ethynyl radical.
Claim 10
Dependent Claim
19 words
A crosslinked polymer formed by the trimerization of an ethynyl radical of a polymer as defined by claim 1.
Claim 11
Dependent Claim
19 words
A crosslinked polymer formed by the trimerization of an ethynyl radical of a polymer as defined by claim 2.
References Cited (Backward Citations)
US3532677A
Cited
US3819582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |